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Головна Онлайн-тести CES Oil tanker Deck Support Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Онлайн-тестування: Test online CES 5.1 for Deck department, Support level, Oil tanker vessel
Онлайн-тест
Опис
Тест складається із випадкових питань з обраної теми.
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The duty engineer of a UMS ship is approached by a member of the ship's staff, seeking permission to hang wet working clothes in the engine room to dry. Should he:
Allow the clothes to be hung over a rail provided there is no electrical equipment directly below
Allow the clothes to be hung over rail next to the warm F.O. service tanks
Allow the clothes to be hung over a rail anywhere
Not allow the clothes to be hung anywhere in the unmanned machinery spaces
*Which of the following statements applies to fire doors in main vertical zone bulkheads and stairway enclosures in passenger ships?
They shall be of the self closing type
They shall be capable of closing with an angle of up to 3, 5° opposing closure
They shall be capable of being closed from a control station
All the mentioned alternatives
When using a buoy as an aid to navigation, which of the following should always be considered?
That if the light is showing its correct characteristic it is in its right position
The buoy may not be in its charted position
If no radio navigation warnings have been issued concerning the buoy it can be assumed to be in its correct position
The buoy is nearly always well anchored and can be considered to be in its charted position providing there has not been any recent storms in the area
Your vessel is going alongside a pier. Two tugs will assist at the mooring. How would you use the tugs, and at which position?
Pushing on ship-s flat side and make fast in the vessel for pulling if needed
One made fast forward for pulling, one pushing aft
Fast FWD and AFT in center lead
Pushing on ship-s flat side not made fast to be able to move in best position if needed
In the situation illustrated, what should be the power distribution of the tugs to maintain the ship sideways motion with only minor changes in the ship's heading?
Considerably more power on the aft tug than the forward tug, while monitoring the ship's gyro heading
Equal power on both tugs while monitoring the ship's gyro heading
Full power on the forward tug and the after tug ceases to push, but continuously monitor the ship's gyro heading
Considerably more power on the forward tug than the after tug, while monitoring the ship's gyro heading
Experience has shown that the most successful method of double banking (when no tugs used) is:
With the larger vessel stopped and drifting in the water, fig. 4.
With the smaller vessel at anchor, fig. 3.
With both vessels underway, fig. 1.
With the larger vessel at anchor, fig. 2.
What is understood by the term "Balanced Rudder"?
A rudder with equal rudder area forward and aft of the turning axis, the turning axis being at the geometrical centre of the rudder area
A rudder with part of the rudder area forward of the turning axis, therefore reducing the load on the steering motor.
A rudder which is operated by two steering motors providing equal amounts of thrust to the rudder
A rudder with an additional flap attached the training edge to improve the rudder efficiency
If making a new pilot ladder onboard, which of the following ropes would you use in its construction as side ropes on which the steps are fastened?
Uncovered manila rope.
Polyester rope.
Polypropylene rope.
Nylon rope.
Welding and burning are two operations which give the highest risk of a fire on board ship. Which of the following safety precautions may be regarded as the most important in order to minimise this particular risk?
Electric welding plants should be controlled by a responsible engineer before use.
Only use electrodes from a well known manufacturer.
Only holders of a welding certificate should be allowed to carry out welding or burning on board ships.
The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.
Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?
To allow overhaul of the screw down valve when the non-return valve is shut and the boiler is steaming.
To allow fine tuning of feed water flow to the boiler.
To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.
To increase the workload for staff when overhauling the boiler.
To conform with "best practise", can you drive a crane and stand-by for a colleague who has entered a cargo tank at the same time?
Yes.
Normally no, but if we are in a hurry to get lots of jobs done before entering port and the Chief Mate know about it, then it is alright to do so.
No.
Yes, if I have radio contact with the man inside the tank.
A bulk cargo is loaded and the cargo stow has been left with an excessive peak height; what could be the result of this situation?
Excessive stresses on transverse bulkheads
Excessive stresses on tank top
Excessive cargo sweat
Damage to hatch covers
The continuity resistance of a 100m long X 25 sq. mm cable (rated at 100A) is to be checked. Which of the following results would you anticipate?
between 0.1 and 1.0 M ohm
between 0.1micro ohm and 1.0 micro ohm
between 0.1 and 1.0 ohm
greater than 1 M ohms
At what temperature would you expect to carry a fully refrigerated cargo of butane?
- 43° C
- 23° C
- 15° C
- 4° C
Every person onboard ship has a responsibility for safety and security. General house-keeping rules should be followed. Which of the listed rules is the most important onboard a tanker?
Never carry lighters or matches on the tank deck.
Always wear safety shoes on deck..
Always use the handrails when going up or down ladders.
Always use gloves when operating portable grinders and chipping machines.
Having water vapour in an LNG carriers cargo tanks prior to loading cargo is unacceptable due to ice formation at low carriage temperatures. How can water vapour in the tank atmosphere be removed prior to the cooling down and loading operation?
By displacing the tank atmosphere with warm inert gas direct from a combustion type inert gas generator.
By displacing the tank atmosphere with heated air.
By displacing the tank atmosphere with pre-dried inert gas.
By displacing the tank atmosphere with fresh air.
What do you think would be the most likely cause of too low suction pressure in a freon compressor?
Broken suction valve plate.
Too little gas in the system.
Blocked condenser tubes.
Blocked condenser.
Why did they order another tug?
Because the bow thrust was useless in the strong wind.
Because they wanted to make sure that the ship could be safely turned.
Because the mates always receive their instructions prior to berthing and they all felt that another tug was needed.
Because the ship was going to berth with port side to the terminal.
When work must be done on High Voltage equipment, it is vital that the equipment is earthed (grounded) after isolation procedures have been carried out. Why is this?
To provide a reference point, and so ensure accuracy of any test results.
To ensure that the equipment does not overheat due to currents circulating through earth (ground).
To ensure that no energy remains in the system and that it cannot be recharged by external influences.
To ensure that it is dead, even if there was a flaw in the isolation procedure.
Whenever ro-ro/car decks are unattended the following applies:
Fire detection systems should be switched on, Deck and engine crew should be trained in the use of the drencher systems and their operation, Continous monitoring of ro-ro/car decks by Closed Circuit Television (CCTV) or regular fire patrols should also be in place, All fire doors should be kept closed on ro-ro/car decks when the vessel is at sea
Fire detection systems should be switched on, Continous monitoring of ro-ro/car decks by Closed Circuit Television (CCTV) or regular fire patrols should also be in place, All fire doors should be kept closed on ro-ro/car decks when the vessel is at sea
Continous monitoring of ro-ro/car decks by Closed Circuit Television (CCTV)
Fire detection systems should be switched on, All fire doors should be kept closed on ro-ro/car decks when the vessel is at sea
Air bags (dunnage bags) are widely used for securing palletised refrigerated cargoes. In the case of a fruit cargo, which of the given options should the user be aware of?
Over inflation can crush and damage the soft tissue of the fruit.
Over inflation can distort the pallet stack.
Over inflation can distort the air bag.
Over inflation can damage the ship's structure including the insulation.
Why is cotton the most suitable material for galley work clothes?
It is odour resistant, loose fitting and does not shrink or discolour when washed reasonably regularly.
It is more easily made into fashionable catering uniforms than synthetic fibres and is cheaper.
It is absorbant, hard-wearing, comfortable and can withstand frequent laundering at high temperatures.
It is effective at masking body odour and containing perspiration.
How should packaged units be secured below decks?
By means of adequate timber shoring and wedging for individual units
By means of adequate wire lashings for units grouped together
By making a chock-a-block stow so that units will not shift
By means of adequate timber shoring and wedging for units grouped together
On a Container vessel, what are the limitations of Cargo Securing Manuals?
They are not always approved by a classification society
They are drafted whilst the ship is still under construction and need to be checked against the ship's 'as completed' condition in order to be fully reliable.
Some Cargo Securing Manuals cover a full range of sister ships
Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions
The purpose of the surface blow valve is to
Remove any oil or scum on water surface
Remove air from feed-water
All alternatives
Remove sludge and scale from boiler tubes
What is the main disadvantage of using oil free, screw type compressors for the reliquefaction plant of an LPG carrier?
The compressor has to run at very high speeds to compensate for internal leakage.
The compressors quickly overheat.
The compressor bearings wear out very quickly.
The compressor rotor elements wear quickly as they have no lubrication.
What is one way to try to overcome people's fears about loved ones?
Inform them about the nature of the emergency.
Prevent them from looking for their loved ones.
Assure them that the crew is sweeping the entire ship for passengers.
Give them a lifejacket to put on.
How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?
Every month
Weekly
Daily
Every two weeks
What is the relationship between absolute and gauge pressure?
Absolute pressure = gauge pressure + barometric pressure.
Gauge pressure = barometric pressure / atmospheric pressure
Absolute pressure = gauge pressure x 0.947 barometric pressure.
Gauge pressure = absolute pressure + barometric pressure.
Your vessel has gone aground on a rising tide on a shallow patch charted as a sand bank. The sea is calm with minimum swell and there is little wind. What immediate actions should be taken?
Immediately put the engines astern and attempt to take the vessel off the bank
Inform the nearest Coast Radio Station of the grounding; issue a Navigational Warning and display the "aground" signal
Display the Aground signal and sound round all tanks and bottom compartments to determine if there are any damaged compartments or ingress of water.
Display the "aground" signal and look round the outside of the vessel to determine if there are any signs of pollution
Normally ventilation fans in enclosed ro-ro spaces must be run continuously whenever vehicles are on board, why?
An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable gases or liquids are stowed in closed ro-ro spaces
The manufacturer of the fans recommends continuous operation to reduce maintenance cost
It is better to run the fans continuously instead of testing the atmosphere
It is easier for the crew, they don't have to think about starting and stopping of fans
You are to load a cargo ofIsocyanate to tank 4 centre port and the cargo hose from shore is to be connected to a flange directly adjacent to the cargo pump, so that the manifold cross-over and deck cargo line are not used. What must you place underneath the connection?
A portable drip-tray.
A label stating "portable connection".
A red flag.
Some sawdust or other absorbant material.
Is it allowed to gas up LPG on inert gas atmosphere?
We are not allowed to gas up LPG on inert gas
We are allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
We are allowed to gas up LPG on inert gas if the charterer do not instruct the vessel to use nitrogen
We are not allowed to gas up LPG on inert gas if the inert gas contain less than 5% volume oxygen
What is the requirement to number of portable gas detection apparatus?
At least two sets.
One set.
Sufficient number of apparatus.
There is no requirement to numbers of apparatus.
In the figure is shown the direction of possible mooring lines from the stern of a vessel, when moored port side alongside a jetty. Which letter shows the direction which would be used by a "STERN LINE"?
The Stern Line is indicated by D, in the figure
The Stern Line is indicated by A, in the figure
The Stern Line is indicated by C, in the figure
The Stern Line is indicated by B, in the figure
What is the symbol for a THYRISTOR?
Figure 4.
Figure 3:
Figure 1.
Figure 2.
When general cargo is damaged during heavy weather on a General Cargo vessel, which of the following persons should attend on board at the next port?
Surveyor representing the consignee
Class surveyor
Surveyor representing the vessel's hull & machinery underwriters
Surveyor representing the vessel's P. & I. Club
What must loading instruments on bulk carriers of 150m in length or more display?
Depending upon what cargo is carried permeability of the foremost cargo hold
Hull girder shear forces
Ultimate strength of main deck plating
Breaches in the hull
What effect will a low operating temperature of the boiler feed water system have on the condition of the feed water supplied to a high pressure boiler?
It will cause the amount of chlorides in the feed water to increase.
It will cause the amount of dissolved oxygen in the feed water to increase.
It will cause the amount of total dissolved solids in the feed water to increase.
It will cause the pH value of the feed water to increase.
What is important when checking cargo lashings on a General Cargo Vessel?
The number and extent of lashings
The tightness of all lashings
The strength of lashing materials
The type of lashing materials
When loading stores in a tropical harbour on sunny days, which of the following categories of provisions would you arrange to get out of the sun as soon as possible?
Fruit and vegetables
Dairy items
Bottled goods
Tinned goods
What must be accessible at all times whilst loading and stowing ro-ro cargoes?
Fixed cargo lashing points
Fire-fighting equipment
Ventilator trunking
The vessel's bracket connections to ro-ro decks
When washing a cargo hold of a bulk carrier prior to loading a cargo of steel products, why is the space washed down with salt water and then fresh water?
To maintain safe access by hold ladders
To assisting in drying the hold space
To prevent damage to paint coatings
To remove all traces of salt that would possibly contaminate the cargo if water drops onto the cargo
Some cargoes carried on liquefied gas carriers are toxic and are given a Threshold Limit Value (TLV) as a time weighted average (TWA). What does the TLV-TWA usually indicate?
It indicates the maximum vapour concentration that a person can be exposed to for 8 hours per day or 40 hours per week.
It indicates the maximum vapour concentration that a person can be exposed to for one hour.
It indicates the absolute maximum vapour concentration that a person may be exposed to at any time.
It indicates the maximum vapour concentration that a person can be exposed to before breathing apparatus is required.
What type of damage does a cargo of steel coils sustain when loaded on a General Cargo ship?
Chemical reactions between the steel banding and outer envelope
Bending
Tearing
Crushing and distortion
In a fresh water tank we are using a pressure transmitter with a range of 0-0.5 bar / 4-20mA for level measurement. The transmitter is for different reasons installed 30 centimeters from the bottom of the tank, and the tank is 5 meters high. What will the output from the transmitter be when the tank is full? (Pending no calibration is made)
30 mA
19.04 mA
20 mA
21.2 mA
Skin contact with liquid methane can result in severe frostbite. Assuming a crewman's hands have been frostbitten due to exposure to liquid methane, which of the given options would be an appropriate initial first aid action?
Place the victim's hands in his bare armpits
Keep the victim's hands uncovered to allow the fresh air to warm and dry them.
Rub the victim's hands vigorously.
Place the victim's hands on or very close to a hot surface.
The temperature control for a hot water system is very erratic with the temperature gradually rising and then suddenly falling and vice versa even though system demand is fairly constant. Which of the options given is the most likely cause of this problem?
Control air pressure supply is too low.
Control valve actuator diaphragm is ruptured.
Controller integral action reset time is too fast.
Control valve gland is over tightened.
What is the minimum permissible distance measured horizontally between the ship's shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker?
Not less than moulded breadth / 5.
Not less than 1250 mm.
Not less than 760 mm.
Not less than moulded breadth / 15.
What is the main reson for keeping engine lubricating oil viscosity within recommended limits?
To neutralise any acids that may form.
It is not important
To ensure the strength of the oil film is sufficient to keep lubricated surfaces apart.
To reduce system pressure losses.
On a Container vessel, where do OSHA regulations apply?
European Union
Australia
United States of America
United Arab Emirates
A steam generating tube in a boiler is found to be badly sagged but not ruptured. Select, from the options given, the most suitable action to be followed in order to operate the boiler.
Plug both ends of the tube and drill a hole in the body of the tube.
As long as the tube is not ruptured the boiler can be operated normally.
Plug both ends of the tube.
Heat the tube up with a gas torch and return it to its original shape and position.
What does ISPM stand for?
International Safety Procedures Manual
International Standards for Port Management
International Safety Policy Model
International Standards for Phytosanitary Measures (code)
What should be done with the data logger printouts after completing the discharge of a refrigerated cargo?
They should be retained onboard for a minimum of 2 years.
They should be handed over to the cargo receiver.
They should be retained onboard indefinitely.
They can be discarded once the discharge is completed.
If a fuel oil cargo is treated with an anti-static additive, how does this affect its conductivity characteristics?
It becomes an accumulator of static charge.
It becomes mildly magnetic for a time.
Its relaxation time after loading is extended.
It becomes a non-accumulator of static charge.
As per SOLAS requirement fast rescue boats shall be constructed in such a way that:
They will not capsize
They are self righting
They are self righting or capable of being readily righted by its crew
They can be righted by 5 persons
You are going to inspect a fresh water tank together with one of the Engineers. Is it safe enough to open the manhole and enter the tank (it is only fresh water) or do you have to take extra precautions before entering?
Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space
Bring a flashlight and put on safety shoes
Use a breathing apparatus if the oxygen level is below 21%
Remember to have a colleague standing by to assist you if any problems
In describing oil cargoes, what is "sour crude"?
A crude oil from West Africa
A petroleum product which reacts with water during tank-washing, leading to a distinctive odour about the tank deck
A crude oil cargo which has left substantial residues in the bottom of the tank after discharge
A term used to describe crude oil or products containing appreciable amounts of hydrogen sulphide and / or mercaptans
Why should elevators not be used in an emergency?
Too few people can be moved in an elevator.
The elevator is reserved for people with special needs.
Power could fail and passengers could be trapped inside.
Engineering will shut down the ship's power and the elevator will be useless.
In which locations will Ro-Ro units be stained when a vessel is at sea?
Units stowed on ramp slopes
Units stowed near watertight doors
Units stowed in way of fan duct exits
Units stowed near gas tight doors
What name is given to the flow diagrams that appear in the Annex II Procedures and Arrangements Manual, which guide the user through the methods to be followed in cleaning a tank after containing a Noxious Liquid Substance?
Collection and Disposal Protocol.
Cleaning and Pumping Diagrams.
Cleaning and Disposal Procedures.
Chemical Disposal Plans.
What will you do if you are told to operate unknown mechanical equipment?
As time is money, the trial and error method shall be used.
Ensure that all safety guards and devices are disconnected.
Seek advice from your superior before attempting to operate it.
Do not operate the machine, but read the manual before reporting to the head of your department
A ship has an electrical system rated at 690 Volts. Which voltage level is this?
Medium voltage.
Low voltage.
High voltage.
Intermediate voltage.
You are going to grind (mince) meat for use in different dishes, including burgers. Which of the following cuts of meat would you use?
Sirloin
Leg
Brisket
Flank
During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?
Clean, lint free cotton rags.
Used paper towels from the wash room.
Used dish cloths from the galley.
Clean cotton waste.
What will increase friction between the deck surface and cargo units?
Placing cargo units as closely as possible to each other
Placing soft boards or other anti-skid material under the cargo
Removing all traces of grease and oil from the decks
Tightening cargo lashings to the fullest extent possible
Which of the following measurements will include a D/P transmitter in the control-loop
Oil mist
Smoke indication
Temperature
Pressure
On a Container vessel, when preparing to lift hatch pontoons why is it necessary to secure all loose material on it?
Because this is an international requirement
So that loose equipment does not fall into the cargo hold
So that pontoons are not fouled by loose material whilst being lifted
To facilitate the gantry crane operator
On a Container vessel, why must duty crew members supervise the lashing of containers?
Because stevedores often apply container lashings haphazardly or place twistlocks incorrectly
Because of local port regulations
Because of time constraints on the vessel towards the end of cargo operations
Because it is an international requirement under the ISM Code
An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.
Transverse bulkhead beneath the bridge front.
Longitudinals in the double bottom tanks in the amidships half length of the vessel.
Transverse bulkhead immediately aft of the engine room.
Stiffening in the forepeak tank at approximately water line level.
With reference to diesel engine ancillary system operation, which one of the given statements is true?
The normal jacket water temperature before the jacket water cooler is approximately 80 to 90 C.
The normal temperature of the lubricating oil before the lub oil cooler is approximately 80 to 90 C.
The normal scavenge air temperature after the charge air cooler is approximately 80 to 90 C.
The normal temperature of heavy fuel oil after the fuel oil heater is approximately 80 to 90 C.
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When starting three phase induction motors there is sometimes a need to use a star-delta starter. A star-delta starter exhibits which of the following characteristics while connected in star.
Reduced current and increased voltage
Reduced current and reduced torque
Reduced current and reduced voltage
Increased current and power
What is the first action that should be taken by the rating on boiler watch in the event of a flame failure on the boiler?
Notify the bridge
Stop the feed water pump
Call the engineer on watch
Call the chief engineer
If left-over cooked meat is to be re-used in another meal, which of the following precautions must be taken?
The meat must be fine chopped to ensure it re-heats to at least 70 degrees Celsius as quickly as possible; it must not be mixed with newly preared raw meat; the dish in which it is used must only be heated once.
The meat can be directly added to another dish and musdt be re-heated to the temperature required by the new recipe; it can then be re-heated for further servings provided it is refrigerated in between.
The cooked meat must have been refrigerated until required; it can be taken out, chopped and mixed thoroughly with newly cooked ingredients, to ensure it is adequately re-heated. If it cools before serving, it can be warmed through on a hot plate or under a heat lamp.
The meat must be sliced to a thickness of less than 5 mm to ensure it re-heats to at least 50 degrees Celsius during cooking; it can only be layered with other previously cooked ingredients; the dish in which it is used can be re-heated again, provided it is refrigerated between each serving.
Refrigerated cargoes are generally easy to secure for a sea passage when compared to some bulk, timber and project type cargoes. The cargo must be stowed so that it will not shift during the voyage and so that a good air flow can be maintained through the cargo. Which one of the given options is most likely to result in this required outcome and a successful carriage?
A loose uniform stow.
A tight uniform stow but with vertical gaps in the cargo for air flow.
The stow is unimportant as it is only the temperature in the hold which determines whether or not the cargo is carried successfully.
A tight uniform stow which forces air through the cargo.
What is the room often called where the crew eat their meals?
The crew cafe
The crew mess
The crew galley
The crew restaurant
The economizer is used for
Desuperheating of the steam
Heating of the feed-water
Lower the superheater temperature
Heating of the fuel oil
What is the name by which the regulations which prevent and control pollution from ships are known?
The International Shipping Pollution Laws.
SOLAS
MARPOL
The ISP Code.
What should be done prior to loading structural steel products on a General Cargo Vessel?
Dunnage of 7.5cm x 7.5cm cross section should be laid athwartships over the tank top about 3m apart
Dunnage should be laid fore and aft over the tank top
16mm wire cables should be laid athwartships over the tank top about 3m apart
16mm wire cables should be laid fore and aft over the tank top about 3m apart
What would be understood by the message "A yacht has capsized in heavy seas"??
The message means the vessel is taking in water.
The message means the yacht has been overturned in heavy seas
The message means the yacht has lost its Captain in heavy seas
The message means the vessel is experiencing heavy seas and may need assistance
The turbocharger on a diesel engine is surging and making occasional, loud "whoofing" noises. Which one of the options given is the most probable cause of this?
Engine on bridge control.
Rapid changes in engine load due to rough sea conditions.
Exhaust system recently cleaned.
Air leakage from scavenge receiver.
How should mild steel slabs be loaded in a bulk carrier?
Interlocked across the entire cargo hold with the longitudinal axes athwartships
Interlocked up to the hopper tank plating with the longitudinal axes athwartships
Interlocked across the entire cargo hold with the longitudinal axes fore and aft
Interlocked up to the hopper tank plating with the longitudinal axes fore and aft
What are twistlocks designed for?
To couple containers horizontally
To couple containers vertically
To bear container loads
To lock containers vertically and horizontally
As per SOLAS every fast rescue boat shall be provided with:
Thermal protective aids for the number of persons the boat is permitted to accommodate
Emersion suits for each person the boat is permitted to accommodate
3 Thermal protective aids
Thermal protective aids for at least 10% of the persons the boat is permitted to accommodate or two, which ever is greater
What would you do before giving a boiler a “bottom blow”
drop the water level a couple of inches below normal
increase the oil pressure
raise the water level a couple of inches above normal
increase the oil temperature
In discussing the properties of oil cargoes, which of the following are examples of Aromatic Hydrocarbons?
Benzene, Toluene and Xylene.
Hydrogen Sulphide and Carbon Monoxide.
Carbon Dioxide and Hydrogen Peroxide.
Propane, Butane and Pentane.
What is typical for a continuous control system
The output signal is equal to the input signal
The control valve will always be changing positionv
It is possible to predict the control mathematicallyIt is possible to predict the control mathematically
It is not possible to have a stable process
The engines have failed and will require at least 24 hours to be available as a reliable means of propulsion. Your vessel is about 20 miles off the coast in a tidal area. What are the initial steps that should be taken to ensure the safety of the ship?
Display NUC lights and determine if anchoring is possible
Display NUC lights and inform the nearest Coast Guard of you predicament.
Display NUC lights and send out a navigational warning to all other vessels of your position and situation
Display NUC lights and investigate the tidal flow over the next 24 hours and the probable drift of the vessel.
Which person is qualified to carry out a five yearly thorough survey of cargo gear on a General Cargo vessel?
The master
A classification society surveyor
A deck officer designated by the master
A marine surveyor
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.